Hello people! This is a tutorial which you can change the player speed in Wolf3D.

Open WL_PLAY.C, then reach the function called "PollKeyboardMove". Replace that function with this:

void PollKeyboardMove (void)
{
    long double runmove = RUNMOVE*tics,
    basemove = BASEMOVE*tics;

    switch (gamestate.chosenweapon)
    {
        case wp_knife:
        case wp_pistol:
            break;
        case wp_machinegun:
            runmove = runmove/1.25;
            basemove = runmove/2;
            break;
        case wp_chaingun:
            runmove /= 1.5;
            basemove = runmove/2;
            break;
    }

    if (buttonstate[bt_run] )
    {
        if (Keyboard[dirscan[di_north]])
            controly -= runmove;
        if (Keyboard[dirscan[di_south]])
            controly += runmove;
        if (Keyboard[dirscan[di_west]])
            controlx -= runmove;
        if (Keyboard[dirscan[di_east]])
            controlx += runmove;
    }
    else
    {
        if (Keyboard[dirscan[di_north]])
            controly -= basemove;
        if (Keyboard[dirscan[di_south]])
            controly += basemove;
        if (Keyboard[dirscan[di_west]])
            controlx -= basemove;
        if (Keyboard[dirscan[di_east]])
            controlx += basemove;
    }
}

Now reach the function "PollMouseMove" and replace it with this one:

void PollMouseMove (void)
{
    int    mousexmove,mouseymove;
    long float cx,cy;

    Mouse(MDelta);
    mousexmove = _CX;
    mouseymove = _DX;

    if (buttonstate[bt_run])
    {
        cx = mousexmove*10/(13-mouseadjustment);
        cy = mouseymove*20/(13-mouseadjustment);
    }
    else
    {
        cx = mousexmove*5/(13-mouseadjustment);
        cy = mouseymove*10/(13-mouseadjustment);
    }

    switch (gamestate.chosenweapon)
    {
        case wp_knife:
        case wp_pistol:
            break;
        case wp_machinegun:
            cx /= 1.5;
            cy /= 1.5;
            break;
        case wp_chaingun:
            cx /= 2;
            cy /= 2;
            break;
    }

controlx += cx;
controly += cy;
}

Good! Now you can't run so fast with a VenomGun in your hands!